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Apply patch from 7938.

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Refs #7938.

[SVN r83137]
This commit is contained in:
John Maddock
2013-02-24 16:53:49 +00:00
parent 082f493831
commit afa86fb99d
1 changed files with 24 additions and 10 deletions
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34
include/boost/config/platform/vxworks.hpp
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@ -73,6 +73,7 @@
// Generally available functionality:
#define BOOST_HAS_THREADS
#define BOOST_HAS_NANOSLEEP
#define BOOST_HAS_GETTIMEOFDAY
#define BOOST_HAS_CLOCK_GETTIME
#define BOOST_HAS_MACRO_USE_FACET
@ -88,7 +89,6 @@
// Functionality available for RTPs only:
#ifdef __RTP__
//# define BOOST_HAS_GETTIMEOFDAY
# define BOOST_HAS_PTHREAD_MUTEXATTR_SETTYPE
# define BOOST_HAS_LOG1P
# define BOOST_HAS_EXPM1
@ -122,6 +122,7 @@
// miserably fails to #include the required <sysLib.h> to make
// sysClkRateGet() available! So we manually include it here.
#ifdef __RTP__
# include <time.h>
# include <sysLib.h>
#endif
@ -151,6 +152,7 @@
// #include Libraries required for the following function adaption
#include <ioLib.h>
#include <tickLib.h>
#include <sys/time.h>
// Use C-linkage for the following helper functions
extern "C" {
@ -203,6 +205,18 @@ inline ssize_t readlink(const char*, char*, size_t){
return -1;
}
// vxWorks claims to implement gettimeofday in sys/time.h
// but nevertheless does not provide it! See
// https://support.windriver.com/olsPortal/faces/maintenance/techtipDetail_noHeader.jspx?docId=16442&contentId=WR_TECHTIP_006256
// We implement a surrogate version here via clock_gettime:
inline int gettimeofday(struct timeval *tv, void * /*tzv*/) {
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
tv->tv_sec = ts.tv_sec;
tv->tv_usec = ts.tv_nsec / 1000;
return 0;
}
// vxWorks does provide neither struct tms nor function times()!
// We implement an empty dummy-function, simply setting the user
// and system time to the half of thew actual system ticks-value
@ -221,11 +235,14 @@ struct tms{
};
inline clock_t times(struct tms *t){
clock_t ticks = static_cast<clock_t>(tickGet());
struct timespec ts;
clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts);
clock_t ticks(static_cast<clock_t>(static_cast<double>(ts.tv_sec) * CLOCKS_PER_SEC +
static_cast<double>(ts.tv_nsec) * CLOCKS_PER_SEC / 1000000.0));
t->tms_utime = ticks/2U;
t->tms_stime = ticks/2U;
t->tms_cutime = 0;
t->tms_cstime = 0;
t->tms_cutime = 0; // vxWorks is lacking the concept of a child process!
t->tms_cstime = 0; // -> Set the wait times for childs to 0
return ticks;
}
@ -241,13 +258,14 @@ namespace std {
using ::symlink;
using ::readlink;
using ::times;
using ::gettimeofday;
}
// Some more macro-magic:
// vxWorks-around: Some functions are not present or broken in vxWorks
// but may be patched to life via helper macros...
// Include signal.h which contains a typo to be corrected here
// Include signal.h which might contain a typo to be corrected here
#include <signal.h>
#define getpagesize() sysconf(_SC_PAGESIZE) // getpagesize is deprecated anyway!
@ -259,7 +277,7 @@ namespace std {
# define FPE_FLTINV (FPE_FLTSUB+1) // vxWorks has no FPE_FLTINV, so define one as a dummy
#endif
#if !defined(BUS_ADRALN) && defined(BUS_ADRALNR)
# define BUS_ADRALN BUS_ADRALNR // Correct a supposed typo in vxWorks' <signal.h>?
# define BUS_ADRALN BUS_ADRALNR // Correct a supposed typo in vxWorks' <signal.h>
#endif
//typedef int locale_t; // locale_t is a POSIX-extension, currently unpresent in vxWorks!
@ -268,7 +286,3 @@ namespace std {
// vxWorks lies about XSI conformance, there is no nl_types.h:
#undef BOOST_HAS_NL_TYPES_H
// vxWorks blatantly lies about implementing gettimeofday:
// Though it even declares a prototype in sys/time.h, linking it fails!
#undef BOOST_HAS_GETTIMEOFDAY